71 citations · 121 across the 40 of their papers we have counts for
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math.PR2019
Asymptotics of empirical eigenvalues for large separable covariance matrices
Tiebin Mi, Robert Caiming Qiu
We investigate the asymptotics of eigenvalues of sample covariance matrices associated with a class of non-independent Gaussian processes (separable and temporally stationary) unde…
stat.AP2019
Estimation of high-dimensional factor models and its application in power data analysis
Xin Shi, Robert Qiu
In dealing with high-dimensional data, factor models are often used for reducing dimensions and extracting relevant information. The spectrum of covariance matrices from power data…
eess.SP2019
Improving Power System State Estimation Based on Matrix-Level Cleaning
Haosen Yang, Robert C. Qiu, Lei Chu +3
Power system state estimation is heavily subjected to measurement error, which comes from the noise of measuring instruments, communication noise, and some unclear randomness. Trad…